MESON Chess Problem Database

Problem Display
PID: 242089 (4N3/1Q6/3Pk3/8/6P1/3KP3/8/8 w - - 0 1)

Szentgyorgy, Erno

Magyar Sakkvilag, 1936

4N3/1Q6/3Pk3/8/6P1/3KP3/8/8

#2

6 + 1

15148 Sadier Collection 2021

SOLUTION

  • SOUND
  • Sets
    • 1...Ke5
      • 2.Qe4#
  • Tries
    • 1.Qf3?
      • threat
        • 2.Qf5#
      • 1...Ke5
        • 2.Qe4#
        • 2.Qf5#
      • 1...Kd7!
    • 1.Qc6?
      • 1...Ke5
        • 2.Qe4#
      • 1...Kf7!
    • 1.Qf7+?
      • 1...Ke5
        • 2.Qf5#
      • 1...Kxf7!
    • 1.Qh7?
      • threat
        • 2.Qf5#
      • 1...Ke5
        • 2.Qe4#
        • 2.Qf5#
      • 1...Kd5!
    • 1.g5?
      • 1...Ke5
        • 2.Qe4#
      • 1...Kf5!
  • Keys
    • 1.Kc4!
      • 1...Ke5
        • 2.Qd5#
        • 2.Qe7#

FEATURES

  • Static
    • TYPE = WAITER
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 1
  • Sets
    • K(a);P-FLIGHT::QAR1(E)
  • Tries
    • Try
      • Q(E);
      • Threat
        • QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • Q(E);CHECK
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT,XQ(E)
    • Try
      • Q(E);
      • Threat
        • QAB1(E)
      • Refutation
        • K(a);S_FLIGHT
    • Try
      • P(C);
      • Vars
        • K(a);P-FLIGHT::QAR1(E)
      • Refutation
        • K(a);S_FLIGHT
  • Actual
    • K(A);S_FLIGHT
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